OOIR: Observatory of International Research

Papers

(The TQCC of Electronic Journal of Linear Algebra is 1. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2022-05-01 to 2026-05-01.)

Article	Citations
Recovering the characteristic polynomial of a graph from entries of the adjugate matrix	14
The Moore-Penrose inverse of the distance matrix of a helm graph	12
On solutions of matrix equation ${AX=B}$ over a Bezout domain	8
The angular spectrum of the $\boldsymbol{3\times 3}$ copositive cone	8
Group inverses of matrices of directed trees	8
On the sum of the k largest absolute values of Laplacian eigenvalues of digraphs	8
Decompositions of matrices into a sum of invertible matrices and matrices of fixed nilpotence	7
On condition numbers of quaternion matrix inverse and quaternion linear systems with multiple right-hand sides	6
The Laplacian matrix of weighted threshold graphs	5
On the rank of m×2×2 and m×3×2 tensors over arbitrary fields	5
Stable polynomials via undirected colored graphs	5
New results on $M$-matrices, $H$-matrices and their inverse classes	5
The copositive range	5
Schur functions and immanantal identities	4
The non-symmetric strong multiplicity property for sign patterns	4
New sufficient conditions for subdirect sums of Nekrasov matrices	4
The vertex connectivity and the third largest eigenvalue in regular (multi-)graphs	4
Accurate computations with totally positive matrices applied to the computation of Gaussian quadrature formulae	4
HLPK and Sherman-type theorems for Schur complement of matrices	4
Eigenvalues for stochastic matrices with a prescribed stationary distribution	4
Adapted AZNN methods for time-varying and static matrix problems	3
Flag-shaped blockers of 123-avoiding permutation matrices	3
Lyapunov-like transformations on the tensor product of nuclear pairs of proper cones	3
Is the bounded rank perturbations problem for matrix pencils just a completion problem?	3
Extremal spectral radii of uniform supertrees	3

Trees with maximum sum of the two largest Laplacian eigenvalues	3
Eigenvalues and component factors in graphs	3
Probabilistic zero forcing with vertex reversion	3
An extension of the Perron-Frobenius theory to arbitrary matrices and cones	2
Preservers of the p-power and the Wasserstein means on 2x2 matrices	2
Flat portions on the boundary of the numerical range of a 5 × 5 companion matrix	2
Matrices having nonzero outer inverses	2
The matrix inverse Young inequality	2
Commuting additive maps on upper triangular and strictly upper triangular infinite matrices	2
Spectral conditions for rainbow matchings of bipartite graphs	2
Laplacian spectral radius and integrality of token graphs	2
Inverse eigenvalue and related problems for hollow matrices described by graphs	2
A new method to improve the efficiency and accuracy of incremental singular value decomposition	2
Refinements of the Blanco-Koldobsky-Turnšek theorem	2
Multiplicativity of permanents over matrix semirings	2
Concave function inequalities for sum of matrices	2
The Smith normal form of Hadamard matrices from Paley's second construction	2
Graph products that allow two distinct eigenvalues	2
Linear maps that preserve parts of the spectrum on pairs of similar matrices	2
The classification of graphs on eight vertices with coinciding zero forcing number and maximum nullity	2
Minimal rank weak Drazin inverses: a class of outer inverses with prescribed range	1
Versal deformations: a tool of linear algebra	1
Characterizations of complex P-matrices	1
Relation between the row left rank of a quaternion unit gain graph and the rank of its underlying graph	1
Characterization of invariant subspaces for a nilpotent linear operator that admit complementary invariant subspaces	1
Near-bipartite Leonard pairs	1
Godsil-McKay switchings for gain graphs	1
11 can be reduced to 10	1
Positive and negative square energies of graphs	1
Fillmore's theorem and sums of nilpotent quaternion matrices	1
A note on bounds for eigenvalues of nonsingular H-tensors	1
Strong cospectrality and twin vertices in weighted graphs	1
A note on products of finite-dimensional quadratic matrices	1
Refinement of von Neumann-type inequalities on product Eaton triples	1
The linear algebra of the Han–Monsky representation ring	1
Semipositivity with respect to the Lorentz cone	1
Principal eigenvectors in hypergraph Turán problems	1
Minimal rank weighted weak Drazin inverses	1
More inequalities for positive semidefinite matrices	1
Token graphs of Cayley graphs as lifts	1
On the numerical range of Kac-Sylvester matrices	1
On dimensions of maximal faces of completely positive cones	1
Semirings in which the permanent of invertible matrices is multiplicative	1
Reverse order law and forward order law for the (b, c)-inverse	1
Numerical range for weighted Moore-Penrose inverse of tensor	1
Sparks of symmetric matrices and their graphs	1
Edge-disjoint spanning trees and balloons in (multi-)graphs from size or spectral radius	1
Completeness in the sense of Cauchy principal value of Eigensystems for infinite dimensional Hamiltonian operators	1
On means of determinants of matrix projections	1
The Hamiltonian extended Krylov subspace method	1

Inverse of the squared distance matrix of a complete multipartite graph	1
The products of involutions in a matrix centralizer	1
The maximum spectral radius of graphs with a large core	1
A new weighted spectral geometric mean and properties	1
Multi-alternating sign matrices	1
The Graham-Hoffman-Hosoya-type theorems for the exponential distance matrix	1
The allow sequence of distinct eigenvalues for a sign pattern	1
Fields of U-invariants of matrix tuples	1
Groups of singular alternating sign matrices	1